Kurt Leichnitz
21Patents
8h-index
12Co-inventors
68Inventor score
Filing activity: Jun 24, 1977 → Mar 9, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4684380A | Colorimetric indicator for the indication of the exhaustion of gas filters | Human Necessities | 37 | Expired |
| US4277251A | Method and device for determining the alcohol content of a person's breathing | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4123227A | Method and apparatus for evaluating changes in indicator tubes | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5069879A | Automated apparatus for detecting gaseous components in air with a colorimetric testing tube | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4332771A | Method and device for determining the alcohol content of a person's breathing | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5093269A | Process and arrangement for determining at least one component of a test gas | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4554133A | Gas measuring testing tube | Physics | 12 | Expired |
| US4259287A | Testing tube construction for measuring sodium hydroxide and/or calcium oxide | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4748930A | Colorimetric gas dosimeter | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4271125A | Indicator device for the quantitative determination of metal cyanides in aerosol form | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4230457A | Apparatus and method for measuring aerosols and gases with detector tubes | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4723436A | Process for calibrating a gas metering instrument | Physics | 6 | Expired |
| US4294583A | Highly sensitive gas measuring method for the analysis of breath alcohol concentrations, using test tubes | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4528160A | Gas dosimeter construction | Physics | 6 | Expired |
| US4329153A | Test tube construction and method for testing for copper aerosols | Physics | 5 | Expired |
| US4330297A | Test tube construction and method for measuring for nickel aerosols | Physics | 5 | Expired |
| US4460544A | Test tube for the measurement of oil mists | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4769218A | Test tube with flame arrester for combustible gases | Physics | 5 | Expired |
| US5092183A | Device for cooling testing tubes | Physics | 4 | Expired |
| US4254657A | Gas detector and meter employing indicator tubes | Physics | 4 | Expired |
| US4793173A | Process for calibrating a gas metering instrument | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.